import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

public class LoremIpsum {

	public static List<String> getAllLines(String filename) throws IOException {
		List<String> lines = new ArrayList<String>();
		try (BufferedReader br = new BufferedReader(new FileReader(filename))) {
			
			String line = br.readLine();
			
			while (line != null) {
				lines.add(line);
				line = br.readLine();
			}
		}
		return lines;
	}
	
	public static void main(String[] args) {
		
		// inside main
		String fileLoc = "data/someFile.txt";
		File f = new File(fileLoc);
		if(f.exists()) {
			List<String> strList = null;
			try {
				strList = getAllLines(fileLoc);
				f.delete();
				try(PrintWriter pw = new PrintWriter(fileLoc);) {
					for(String str:strList) {
						if(str.contains("SECRET"))
							pw.println("Lorem ipsum dolor");
						else
							pw.println(str);
					}
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

	}

}